33 lines · c
1// RUN: %clang_cc1 %s -triple x86_64-pc-win32 -emit-llvm -o - | FileCheck %s2 3typedef __SIZE_TYPE__ size_t;4typedef __WCHAR_TYPE__ wchar_t;5 6const wchar_t *wmemchr_test(const wchar_t *s, const wchar_t c, size_t n) {7 // CHECK-LABEL: define dso_local ptr @wmemchr_test8 // CHECK: [[S:%.*]] = load9 // CHECK: [[C:%.*]] = load10 // CHECK: [[N:%.*]] = load11 // CHECK: [[N0:%.*]] = icmp eq i64 [[N]], 012 // CHECK: br i1 [[N0]], label %[[EXIT:.*]], label %[[EQ:.*]]13 14 // CHECK: [[EQ]]:15 // CHECK: [[SP:%.*]] = phi ptr [ [[S]], %[[ENTRY:.*]] ], [ [[SN:.*]], %[[NEXT:.*]] ]16 // CHECK: [[NP:%.*]] = phi i64 [ [[N]], %[[ENTRY]] ], [ [[NN:.*]], %[[NEXT]] ]17 // CHECK: [[SL:%.*]] = load i16, ptr [[SP]], align 218 // CHECK: [[RES:%.*]] = getelementptr inbounds i16, ptr [[SP]], i32 019 // CHECK: [[CMPEQ:%.*]] = icmp eq i16 [[SL]], [[C]]20 // CHECK: br i1 [[CMPEQ]], label %[[EXIT]], label %[[LT:.*]]21 22 // CHECK: [[NEXT]]:23 // CHECK: [[SN]] = getelementptr inbounds i16, ptr [[SP]], i32 124 // CHECK: [[NN]] = sub i64 [[NP]], 125 // CHECK: [[NN0:%.*]] = icmp eq i64 [[NN]], 026 // CHECK: br i1 [[NN0]], label %[[EXIT]], label %[[EQ]]27 //28 // CHECK: [[EXIT]]:29 // CHECK: [[RV:%.*]] = phi ptr [ null, %[[ENTRY]] ], [ null, %[[NEXT]] ], [ [[RES]], %[[EQ]] ] 30 // CHECK: ret ptr [[RV]]31 return __builtin_wmemchr(s, c, n);32}33